MARVEL Titanium Nitride Aluminum Coated Step Drill (Hexagonal Shank) MSB-T22 1 piece

Catalog number: MSB-T22 Features: *Titanium aluminum nitride coating provides outstanding wear resistance and heat resistance. *Cutting chips and powder are less likely to adhere, improving workability. Uses: ● Drilling holes in steel plates (4.0 mm or less), stainless steel (1.6 mm or less), aluminum, copper, plastic, etc. Specifications: ● Step width (mm): 5.2 (5.5) ● Number of steps (steps): 10 ● Shank shape: hexagonal shaft ● Shank diameter (mm): opposite side 6.35 ● Drilling dimensions (φ): 4, 6, 8, 10, 12, 14, 16, 18, 20, 22 ● Total length (mm): 85 ● Surface treatment: titanium nitride aluminum coating ● Drilling dimensions (φmm): (4), 6, 8, 10, 12, 14, 16, 18, 20, 22 ● Spiral specifications ● Hexagonal shaft shank ● Effective cutting capacity: 9 steps (4/5/6/7/8/9/10/11/12) ● Recommended rotation speed (rpm): Ferrous metal (600-900), stainless steel (300-450) ● Compatible with impact drivers Material/Finish: Cobalt high speed steel (HSS-Co) Note: The sizes shown in parentheses for the drilling dimensions are the step widths in parentheses.